"""
循环嵌套:(了解)
 循环 分: fen<=60  fen+=1
    循环 m m<=60
"""
# for fen in range(1,2):
#     for miao in range(1,5):
#         print(miao,end=' ')
#     print()
#     print(fen)

"""
*****
*****
*****
*****
"""
# for a in range(1,5):
#     for b in range(1,6):
#         print("*",end="")
#     print()
"""
*
**
***
****
*****
"""
for a in range(1,6):
    for b in range(a):
        print("*",end= "")
    print()




